Tannin 5900e Installation & Startup Guide
Page 22
www.cleanwaterstore.com
Rev 062915
Service Instructions
A. Replacing The Brine Valve, Injectors, and Screen
1. Turn off water supply to Tannin filter:
a. If the Tannin filter installation has a “three valve” by-pass system, first open the valve in the by-
pass line, then close the valves at the Tannin filter inlet and outlet.
b. If the Tannin filter has an integral by-pass valve, put it in the by-pass position.
c. If there is only a shut-off valve near the Tannin filter inlet, close it.
2. Relieve water pressure in the Tannin filter by stepping the control into the backwash position momentarily.
Return the control to the service position.
3. Unplug electrical cord from outlet.
4. Disconnect brine tube and drain line connections at the injector body.
5A. To Replace Brine Valve.
1. Remove the control valve back cover. Disconnect the meter signal wire from the meter.
2. Remove screw and washer at drive yoke. Remove powerhead mounting screws. The entire
powerhead assembly will now lift off easily.
3. Remove piston retaining plate screws and Pull upward on end of piston yoke until assembly is out
of valve.
4. Pull brine valve from injector body, also remove and discard O-ring at bottom of brine valve hole.
5. Apply silicone lubricant to new O-ring and reinstall at bottom of brine valve hole.
6. Apply silicone lubricant to O-ring on new Brine valve assembly and press into brine valve hole,
shoulder on bushing should be flush with injector body.
5B. To Replace Injectors and Screen.
1. Remove injector cap screws, remove cap & discard gasket. Remove vortex generator from end of
the injector assembly.
2. Remove injector assembly. Apply silicone lubricant to new injector assembly o-rings and install. Be
sure to push injector assembly in tightly so o-rings are seated. Replace vortex generator. Install a new
screen.
3. Apply silicone lubricant to new gasket and install around oval extension on injector cap.
6. Insert screws thru injector cap and into mating holes in the valve body. Tighten screws.
7. Reconnect brine tube and drain line.
8. Return by-pass or inlet valving to normal service position. Water pressure should now be applied
the Tannin filter, and any by-pass line shut off.
9. Check for leaks at all seal areas. Check drain seal with the control in the backwash position.
10. Plug electrical cord into outlet.
11. Set time of day and cycle the control valve manually to assure proper function. Make sure control
valve is returned to the service position.
12. Make sure there is enough salt in the brine tank.
13. Start regeneration cycle manually if water is hard.
